CVE-2021-23127 — CRITICAL (9.1)

Q: What is CVE-2021-23127?

CVE-2021-23127 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of an insufficient length for the 2FA secret accoring to RFC 4226 of 10 bytes vs 20 bytes.

Q: How severe is CVE-2021-23127?

CVE-2021-23127 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-23127?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.

Vulnerability Description

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of an insufficient length for the 2FA secret accoring to RFC 4226 of 10 bytes vs 20 bytes.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Joomla	Joomla\!	>= 3.2.0, < 3.9.25

References

https://developer.joomla.org/security-centre/841-20210301-core-insecure-randomneVendor Advisory
https://developer.joomla.org/security-centre/841-20210301-core-insecure-randomneVendor Advisory

FAQ

What is CVE-2021-23127?

CVE-2021-23127 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of an insufficient length for the 2FA secret accoring to RFC 4226 of 10 bytes vs 20 bytes.

How severe is CVE-2021-23127?

CVE-2021-23127 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-23127?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.